Tarrasch Defense
The list files 27 lines under the name Tarrasch Defense, spread over three codes (D32–D34). D34 alone holds 12 of them. From the starting position of Tarrasch Defense, the most-travelled continuation is 4.cxd5, with 23 lines. The deepest, Tarrasch Defense: Classical Variation, Chandler Variation, runs to 12...Be6. At the end of four lines one side is ahead on material; six names contain the word Gambit.
| # | White | Black |
|---|---|---|
| 1 | d4 | d5 |
| 2 | c4 | e6 |
| 3 | Nc3 | c5 |
Where the lines split
Twenty-four of the 27 lines continue from 3...c5; the bars show how many take each next move, and the indented rows the most common reply. The other two reach the opening by a different move order.
- 4.cxd523
- 4...exd521
- 4...cxd42
- 4.e31
- 4...Nf61
Codes holding Tarrasch Defense lines
| Code | Reference line | Lines | Longest line (plies) |
|---|---|---|---|
| D32 | Tarrasch Defense | 9 | Tarrasch Defense: Grünfeld Gambit (14) |
| D33 | Tarrasch Defense: Rubinstein System | 6 | Tarrasch Defense: Dubov Tarrasch (16) |
| D34 | Tarrasch Defense: Prague Variation, Main Line | 12 | Tarrasch Defense: Classical Variation, Chandler Variation (24) |
Longest Tarrasch Defense lines
- Tarrasch Defense: Classical Variation, Chandler Variation 24
- Tarrasch Defense: Classical Variation, Main Line 22
- Tarrasch Defense: Classical Variation, Spassky Variation 22
- Tarrasch Defense: Classical Variation, Bogoljubow Variation 20
- Tarrasch Defense: Classical Variation, Petursson Variation 20
- Tarrasch Defense: Classical Variation, Réti Variation 19
- Tarrasch Defense: Classical Variation, Advance Variation 18
- Tarrasch Defense: Classical Variation, Classical Tarrasch Gambit 18